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Effect Of Simple Stress On The Glass Transition Of Polymers At High Pressure
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Book Synopsis Effect of Simple Stress on the Glass Transition of Polymers at High Pressure by :
Download or read book Effect of Simple Stress on the Glass Transition of Polymers at High Pressure written by and published by . This book was released on 1985 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental studies showed the yield strength in tension, compression, and shear in the rubbery and the glassy states increased with increasing hydrostatic pressure. Moreover, the Young's modulus also increased with pressure and the amount of the increase across the glass transition temperature (T sub g) at a given pressure can be as large as three orders of magnitude in case of elastomers. An extension of Gibbs-Dimarzio theory is proposed to account for the effect of applied stress on the glass transition temperature of glass forming polymers. When a simple stress, such as tensile, compressive or shear stress, is applied to a polymer, the T sub g will decrease, compared to the polymer without applied stress. A glass forming polymer in the vicinity of the transition would behave differently than what than what is predicted by rubber elasticity. The Young's modulus increases with increasing pressure range but the increase is rather small at very high pressure range.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Continuum Mechanics by : Holm Altenbach
Download or read book Encyclopedia of Continuum Mechanics written by Holm Altenbach and published by Springer. This book was released on 2020-01-04 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Encyclopedia covers the entire science of continuum mechanics including the mechanics of materials and fluids. The encyclopedia comprises mathematical definitions for continuum mechanical modeling, fundamental physical concepts, mechanical modeling methodology, numerical approaches and many fundamental applications. The modelling and analytical techniques are powerful tools in mechanical civil and areospsace engineering, plus in related fields of plasticity, viscoelasticity and rheology. Tensor-based and reference-frame-independent, continuum mechanics has recently found applications in geophysics and materials.
Book Synopsis Mechanics of Solid Polymers by : Jorgen S Bergstrom
Download or read book Mechanics of Solid Polymers written by Jorgen S Bergstrom and published by William Andrew. This book was released on 2015-07-11 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very few polymer mechanics problems are solved with only pen and paper today, and virtually all academic research and industrial work relies heavily on finite element simulations and specialized computer software. Introducing and demonstrating the utility of computational tools and simulations, Mechanics of Solid Polymers provides a modern view of how solid polymers behave, how they can be experimentally characterized, and how to predict their behavior in different load environments. Reflecting the significant progress made in the understanding of polymer behaviour over the last two decades, this book will discuss recent developments and compare them to classical theories. The book shows how best to make use of commercially available finite element software to solve polymer mechanics problems, introducing readers to the current state of the art in predicting failure using a combination of experiment and computational techniques. Case studies and example Matlab code are also included. As industry and academia are increasingly reliant on advanced computational mechanics software to implement sophisticated constitutive models – and authoritative information is hard to find in one place - this book provides engineers with what they need to know to make best use of the technology available. - Helps professionals deploy the latest experimental polymer testing methods to assess suitability for applications - Discusses material models for different polymer types - Shows how to best make use of available finite element software to model polymer behaviour, and includes case studies and example code to help engineers and researchers apply it to their work
Book Synopsis Effects of High Stress Application on the Physical Age State of Engineering Polymers by : G.D. Small
Download or read book Effects of High Stress Application on the Physical Age State of Engineering Polymers written by G.D. Small and published by . This book was released on 1990-01-31 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physical ageing is a time dependant process which affects all polymeric materials. Polymers can be de-aged thermally, by heating briefly above their glass transition temperature. This work shows that the same effect could be achieved by the brief application of high stresses.
Book Synopsis Stress Analysis of Polymers by : James Gordon Williams
Download or read book Stress Analysis of Polymers written by James Gordon Williams and published by . This book was released on 1973 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Pressure Chemistry and Physics of Polymers by : A.L. Kovarskii
Download or read book High-Pressure Chemistry and Physics of Polymers written by A.L. Kovarskii and published by CRC Press. This book was released on 1994-02-03 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Pressure Chemistry and Physics of Polymers is devoted to covering all areas of high-pressure polymer materials science. Topics addressed include the synthesis of polymers, changes in reactivity, structural transformations, molecular dynamics, relaxation processes, deformational properties, chemical modification, and the effect of shock waves and shear stresses. The authors' contributions reflect over 60 years of Soviet study in the field of physico-chemistry conducted at the major former Soviet Institutes of Chemical Physics, Organic Chemistry, Polymer Chemistry, and Physical Chemistry. Fundamental topics such as compressibility of polymers, polymerization under pressure, viscoelastic/deformational properties, and polymer modification are discussed with an eye toward materials development for improving physical models and methods of calculating the changing parameters of materials under pressure. The book is a valuable reference to data on mechanisms of physical and chemical processes, in addition to new experimental data for improving physical models and methods of calculating changes in material characteristics under compression loads. High-Pressure Chemistry and Physics of Polymers will be an important reference for graduate students and practicing professionals in polymer chemistry and polymeric materials.
Book Synopsis Encyclopedia of Polymer Blends, Volume 3 by : Avraam I. Isayev
Download or read book Encyclopedia of Polymer Blends, Volume 3 written by Avraam I. Isayev and published by John Wiley & Sons. This book was released on 2016-09-13 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and timely overview of the topic, this Encyclopedia imparts knowledge of fundamental principles and their applications for academicians, scientists and researchers, while informing engineers, industrialists and entrepreneurs of the current state of the technology and its utilization. The most comprehensive source on polymer blends available on the market Offers a complete and timely overview of the topic Each article presents up to date research & development on a topic and its basic principles and applications, integrates case studies, laboratory and pilot plant experiments, and gives due reference to published and patented literature Equips academics, scientists and researchers with knowledge of fundamentals principles and their applications, and informs the engineers, industrialists and entrepreneurs about the state of the art technology and its applications
Book Synopsis The Physics of Deformation and Fracture of Polymers by : A. S. Argon
Download or read book The Physics of Deformation and Fracture of Polymers written by A. S. Argon and published by Cambridge University Press. This book was released on 2013-03-07 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: A physical, mechanism-based presentation of the plasticity and fracture of polymers, covering industrial scale applications through to nanoscale biofluidic devices.
Book Synopsis Proceedings of the Army Symposium on Solid Mechanics, 1972 by :
Download or read book Proceedings of the Army Symposium on Solid Mechanics, 1972 written by and published by . This book was released on 1973 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymers in Defence and Aerospace Applications by :
Download or read book Polymers in Defence and Aerospace Applications written by and published by iSmithers Rapra Publishing. This book was released on 2007-11 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography on High Pressure Research by :
Download or read book Bibliography on High Pressure Research written by and published by . This book was released on 1984 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tribology of Polymeric Nanocomposites by : Klaus Friedrich
Download or read book Tribology of Polymeric Nanocomposites written by Klaus Friedrich and published by Elsevier. This book was released on 2011-08-30 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The area of tribology deals with the design, friction, wear and lubrication of interacting surfaces in relative motion. Polymer nanocomposite materials are increasingly common and offer remarkable improvements in the friction and wear properties of both bulk materials and coatings.This book gives a comprehensive description of polymeric nanocomposites, both as bulk materials and as thin surface coatings, and their behavior and potential use in tribological applications. It provides the preparation techniques, friction and wear mechanisms, properties of polymeric nanocomposites, characterization, evaluation and selection methodology. It also provides various examples of application of polymeric nanocomposites. - Provides a complete reference from the preparation to the selection of polymeric nanocomposites - Explains the theory through examples of real-world applications - More than 20 international tribology experts contribute to their area of expertise
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1962 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physics of Glassy Polymers by : R.N. Haward
Download or read book The Physics of Glassy Polymers written by R.N. Haward and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the first edition of The Physics of Glassy Polymers there have been substantial developments in both the theory and application of polymer physics, and many new materials have been introduced. Furthermore, in this large and growing field of knowledge, glassy polymers are of particular interest because of their homogeneous structure, which is fundamentally simpler than that of crystalline or reinforced materials. This new edition covers all these developments, including the emergence of the polymer molecule with its multiplicity of structure and conformations as the major factor controlling the properties of glassy polymers, using the combined knowledge of a distinguished team of contributors. With an introductory chapter covering the established science in the subject are and summarising concepts assumed in the later chapters, this fully revised and updated second edition is an essential work of reference for those involved in the field.
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Standard Pressure Volume Temperature Data for Polymers by : David Walsh
Download or read book Standard Pressure Volume Temperature Data for Polymers written by David Walsh and published by CRC Press. This book was released on 1995-08-24 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the Introduction PVT data consists of records of the specific volume of a material (or its inverse, the density) as a function of pressure and temperature. There are many reasons why the specific volume of a material will undergo changes: changes in the temperature and pressure (thermal expansion and compression), phase changes (solid-solid phase transitions, melting, crystallization, glass transitions, mesophase transitions), degradation reactions, and many more. Conversely, PVT measurements can be used to study these phenomena and also to yield derivative data of direct importance to engineering applications of materials (compressibility, bulk modulus, thermal expansivity, etc.). PVT methods are part of a wide array of thermoanalytical techniques available to scientists and engineers, but PVT is the only commonly practiced technique that includes pressure as a variable. Polymers are sensitive to pressure: the volume itself, the pressure dependence of transition temperatures, and the kinetics of phase transitions are all significant, not only from a scientific point of view, but also for practical applications in polymer engineering, such as processing. Now published. This unique polymer reference book will be useful to all those involved in polymer research and advanced engineering. The more than 350 tables and graphs provide a wealth of important data in easy-to-use form. The introductory chapter provides details on methodology, equipment use, and information on the many ways in which PVT data can be used in research and engineering.
